<template>
  <div>
    <el-card>
      <div slot="header" class="header">
        <div class="category-header">
          <span>销售额类别占比</span>
          <el-radio-group v-model="value">
            <el-radio-button label="全部渠道"></el-radio-button>
            <el-radio-button label="线上"></el-radio-button>
            <el-radio-button label="门店"></el-radio-button>
          </el-radio-group>
        </div>
      </div>
      <div>
        <div class="charts" ref="charts"></div>
      </div>
    </el-card>
  </div>
</template>

<script>
import echarts from 'echarts'
export default {
  name: "Category",
  data() {
    return{ 
      value: '全部渠道'
    }
  },
  mounted() {
    // 初始化echart实例
    let mycharts = echarts.init(this.$refs.charts)
    // 配置数据
    mycharts.setOption({
      title: {
        text: '视频',
        subtext: 1048,
        left: 'center',
        top: 'center'
      },
      tooltip: {
        trigger: 'item'
      },
      series: [
        {
          name: 'Access From',
          type: 'pie',
          radius: ['40%', '70%'],
          avoidLabelOverlap: false,
          itemStyle: {
            borderRadius: 10,
            borderColor: '#fff',
            borderWidth: 2
          },
          label: {
            show: true,
            position: 'outsize'
          },
          labelLine: {
            show: true
          },
          data: [
            { value: 1048, name: '视频' },
            { value: 735, name: 'Direct' },
            { value: 580, name: 'Email' },
            { value: 484, name: 'Union Ads' },
            { value: 300, name: 'Video Ads' }
          ]
        }
      ]
    });
    // 绑定事件
    mycharts.on("mouseover", (params) => {
      const {name,value} = params.data
      mycharts.setOption({
        title: {
          text:name,
          subtext:value
        }
      })
    })
  }
}
</script>

<style scoped>
 .category-header {
   display: flex;
   justify-content: space-between;
   align-items: center;
 }
 .header {
   border-bottom: 1px solid #eee;
 }
 .charts {
   width: 100%;
   height: 300px;
 }
</style>